metric.h

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/*********************************************************************
** Copyright (c) 2001 MaK Technologies, Inc.
** All rights reserved.
*********************************************************************/
/*********************************************************************
** $RCSfile: metric.h,v $ $Revision: 1.6 $ $State: Exp $
*********************************************************************/

#pragma  once

#include "gdb/gdbDefines.h"
#include "gdb/specification.h"
#include "terrainCS/coordSystem.h"
#include "matrix/coordTransform.h"

class DtSimpleList;
class DtSpecificationAttribute;

// DtMetric has the list of attributes to validate a metric against the 
// specification of the data in the vector network. Before the vector 
// network uses any metric, it initializes it by invoking its initialize 
// method.
class DT_DLL_gdb DtMetric 
{
public:

   DtMetric();

   virtual ~DtMetric();

   DtMetric(const DtMetric& orig);

   DtMetric& operator=(const DtMetric& orig);

public:

   virtual bool validSpecification(const DtSpecification &spec) const;

   virtual void addEqualCondition(const DtSpecificationAttribute& attrib);

   virtual void addDifferentCondition(const DtSpecificationAttribute& attrib);

   virtual void addLessThanCondition(const DtSpecificationAttribute& attrib);

   virtual void addGreaterThanCondition(const DtSpecificationAttribute& attrib);

   virtual void setEqualList(DtSimpleList* list);

   virtual void setDiffList(DtSimpleList* list);

   virtual void setLessThanList(DtSimpleList* list);

   virtual void setGreaterThanList(DtSimpleList* list);

   virtual void initialize(Coordinate_System* cs);

protected:

   virtual void emptyLists();

   virtual void copyLists(const DtMetric& orig);

protected:
   bool           myOwnEqualList;
   bool           myOwnDiffList;
   bool           myOwnLessThanList;
   bool           myOwnGreaterThanList;

   DtSimpleList*  myEqualAttributes;
   DtSimpleList*  myDifferentAttributes;
   DtSimpleList*  myGreaterThanAttributes;
   DtSimpleList*  myLessThanAttributes;
   DtCoordTransform  myLocalToTopo;
   bool           myMetricInitialized;
};